CN108626199B - Hollow sleeve cylinder type independent motion composite oil cylinder - Google Patents
Hollow sleeve cylinder type independent motion composite oil cylinder Download PDFInfo
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- CN108626199B CN108626199B CN201810245299.5A CN201810245299A CN108626199B CN 108626199 B CN108626199 B CN 108626199B CN 201810245299 A CN201810245299 A CN 201810245299A CN 108626199 B CN108626199 B CN 108626199B
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- pneumatic
- fixed cylinder
- cylinder barrel
- shaped rubber
- sealing ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a hollow sleeve cylinder type independent motion composite oil cylinder, which can work to the end of the service life of a friction plate without a lubricating device and subsequent adjustment during working. Operation of a high power, high capacity clutch may be achieved. The hollow sleeve cylinder type independent movement composite oil cylinder consists of the following parts: the input shaft bearing seat, the fixed cylinder barrel, the auxiliary separation sliding sleeve end cover, the auxiliary separation sliding sleeve, the auxiliary separation bearing, the main separation bearing, the O-shaped rubber sealing ring for hydraulic and pneumatic, the special-shaped end joint, the main separation sliding sleeve and the screw standard hollow sleeve cylinder type independent movement composite oil cylinder are developed on the basis of a common oil cylinder, the double cylinders not only can realize synchronous movement, but also can realize different independent movements, the inner cylinder barrel is used as an outer cylinder piston to reduce the geometric size, and the small-size mechanism is compact. The mechanism can be developed into a multi-cylinder independent motion sleeve cylinder structure according to requirements.
Description
Technical Field
The invention relates to the technical field of oil cylinder correlation, in particular to a hollow sleeve cylinder type independent motion composite oil cylinder.
Background
Tractor and engineering machine tool are the support trade of china, and the clutch generally adopts mechanical strength (manpower) control, and high-power machinery is because the clutch separating force is very big, and mechanical separation can't carry out effective control, adopts the control of helping hand system increase strength at present mostly, can't avoid the adjustment problem behind the clutch friction disc wearing and tearing, can't carry out the working stroke compensation. The clutch is mainly mechanical driving force, when an operator places feet on a pedal habitually, the binding force of the clutch is reduced, the friction plate is abraded in a non-working state (slipping abrasion), and the electric control device cannot realize variable control of high power and large force. The tractor and the engineering machinery industry in China have certain gaps with developed countries in the west in the aspects of automation, intelligence and humanization, the accuracy of clutch control, mutual noninterference of hand-self control and humanization of control force are all to be improved, and how to successfully change the common operation control mode of the people into the mutual noninterference of the hand-self control, so that the intelligence of various machines is realized, the international competitiveness is improved, and the tractor and the engineering machinery industry are the responsibility of the people.
Therefore, the problems that the tractor and engineering machinery industries are disturbed, the clutch control is faced by other machinery industries, and the clutch pedal is heavy in force, the accurate control of automatic clutch can be realized, the mutual noninterference of main and auxiliary clutches and synchronous motion can be realized, the friction plates are free from adjustment after being worn, the machinery does not work for a long time, the control mechanism is rusted, the mutual noninterference of manual control and automatic control is avoided, and the like are solved.
Disclosure of Invention
The invention aims to provide a hollow sleeve cylinder type independent movement composite oil cylinder to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a hollow sleeve cylinder type independent movement composite oil cylinder comprises an input shaft bearing seat, an inner hexagonal cone end set screw and a fixed cylinder barrel, wherein the fixed cylinder barrel is sleeved on the outer wall of the input shaft bearing seat, the fixed cylinder barrel and the lower end side wall of the input shaft bearing seat are positioned through a hexagon nut, the upper end side wall of the fixed cylinder barrel is connected with a terminal connection pipe joint, the outer side wall of the fixed cylinder barrel is sleeved with a pair of separation sliding sleeves, the end part, close to the terminal connection pipe joint, of each pair of separation sliding sleeves is connected with a second inner hexagonal cylindrical head screw which positions a separation sliding sleeve end cover on each pair of separation sliding sleeves, a stepped inner groove, far away from the hexagon nut, of each pair of separation sliding sleeves is provided with a pair of clutch release bearings, and one side wall, close to each pair of; a fixed cylinder barrel flange is positioned on the fixed cylinder barrel through a first inner hexagonal socket head cap screw, and a seventh pneumatic 0-shaped rubber sealing ring is clamped at the contact position of the fixed cylinder barrel flange and the fixed cylinder barrel; and a first hydraulic air 0-shaped rubber sealing ring, a second air 0-shaped rubber sealing ring, a third air 0-shaped rubber sealing ring, a fourth air 0-shaped rubber sealing ring, a fifth air 0-shaped rubber sealing ring and a sixth air 0-shaped rubber sealing ring are clamped on the contact side wall between the pair of separation sliding sleeves and the fixed cylinder barrel.
Preferably, the first socket head cap screw has a model number M5 × 12.
Preferably, the second socket head cap screw has a model number M6 × 16.
Preferably, the model of the hexagon nut is C grade 30.
Preferably, the first hydraulic pneumatic 0-shaped rubber seal, the second pneumatic 0-shaped rubber seal, the third pneumatic 0-shaped rubber seal, the fourth pneumatic 0-shaped rubber seal, the fifth pneumatic 0-shaped rubber seal, and the sixth pneumatic 0-shaped rubber seal have the following types in order: 70X 2.65G, 75X 2.65G, 80X 2.65G, 102X 2.65G, 105X 2.65G, 110X 2.65G.
Preferably, the input shaft bearing seat and the main separating sliding sleeve are correspondingly connected through a common flat key, and the common flat key is A type 5 x 28.
Compared with the prior art, the invention has the beneficial effects that: the hollow sleeve cylinder type independent motion composite oil cylinder is simple in structure and comprises the following parts: the input shaft bearing seat, the fixed cylinder barrel, the auxiliary separation sliding sleeve end cover, the auxiliary separation sliding sleeve, the auxiliary separation bearing, the main separation bearing, the hydraulic pneumatic 0-shaped rubber sealing ring, the special-shaped end joint, the main separation sliding sleeve and the screw standard hollow sleeve cylinder type independent movement composite oil cylinder are developed on the basis of a common oil cylinder, the double cylinders not only can realize synchronous movement, but also can realize different independent movements, the inner cylinder barrel is used as an outer cylinder piston to reduce the geometric size, and the small-size mechanism is compact. The mechanism can be developed into a multi-cylinder independent motion sleeve cylinder structure according to requirements. The double cylinders can realize synchronous motion and different independent motions, the inner cylinder barrel is used as an outer cylinder piston to reduce the geometric size, and the double cylinders are small in size and compact in mechanism. The mechanism can be developed into a multi-cylinder independent motion sleeve cylinder structure according to requirements.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the pneumatic coupling device comprises an input shaft bearing seat 1, an inner hexagonal cone end set screw 2, a hexagonal nut 3, a fixed cylinder 4, a pair separation sliding sleeve end cover 5, a pair separation sliding sleeve 6, a pair separation bearing 7, a first inner hexagonal socket head screw 8, a main separation bearing 9, an end pipe joint 10, a second inner hexagonal socket head screw 11, a first hydraulic pneumatic 0-shaped rubber sealing ring 12, a second pneumatic 0-shaped rubber sealing ring 13, a third pneumatic 0-shaped rubber sealing ring 14, a fourth pneumatic 0-shaped rubber sealing ring 15, a fifth pneumatic 0-shaped rubber sealing ring 16, a sixth pneumatic 0-shaped rubber sealing ring 17, a seventh pneumatic 0-shaped rubber sealing ring 18, a fixed cylinder flange 19, a main separation sliding sleeve 20 and a common flat key 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a hollow sleeve cylinder type independent movement composite oil cylinder comprises an input shaft bearing seat 1, an inner hexagonal cone end set screw 2 and a fixed cylinder barrel 4, wherein the outer wall of the input shaft bearing seat 1 is sleeved with the fixed cylinder barrel 4, the fixed cylinder barrel 4 and the lower end side wall of the input shaft bearing seat 1 are positioned through a hexagon nut 3, the upper end side wall of the fixed cylinder barrel 4 is connected with a terminal pipe joint 10, the outer side wall of the fixed cylinder barrel 4 is sleeved with a pair of separation sliding sleeves 6, the end part, close to the terminal pipe joint 10, of the pair of separation sliding sleeves 6 is connected with a second inner hexagonal cylinder head screw 11 for positioning a separation sliding sleeve end cover 5 on the pair of separation sliding sleeves 6, a pair of clutch separation bearings 7 is installed in a ladder-shaped inner groove on one side, far away from the hexagon nut 3, of the fixed cylinder barrel 4, close to the side wall of the; a fixed cylinder barrel flange 19 is positioned on the fixed cylinder barrel 4 through a first inner hexagonal socket head cap screw 8, and a seventh pneumatic 0-shaped rubber sealing ring 18 is clamped at the contact position of the fixed cylinder barrel flange 19 and the fixed cylinder barrel 4; a first hydraulic-pneumatic 0-shaped rubber seal 12, a second pneumatic 0-shaped rubber seal 13, a third pneumatic 0-shaped rubber seal 14, a fourth pneumatic 0-shaped rubber seal 15, a fifth pneumatic 0-shaped rubber seal 16, and a sixth pneumatic 0-shaped rubber seal 17 are sandwiched between contact side walls of the auxiliary release bush 6 and the fixed cylinder 4.
The model of the first hexagon socket head cap screw 8 is M5 × 12, the model of the second hexagon socket head cap screw 11 is M6 × 16, the model of the hexagon nut 3 is C-stage 30, the models of the first hydraulic pneumatic 0-shaped rubber seal ring 12, the second pneumatic 0-shaped rubber seal ring 13, the third pneumatic 0-shaped rubber seal ring 14, the fourth pneumatic 0-shaped rubber seal ring 15, the fifth pneumatic 0-shaped rubber seal ring 16 and the sixth pneumatic 0-shaped rubber seal ring 17 are sequentially as follows: 70 × 2.65G, 75 × 2.65G, 80 × 2.65G, 102 × 2.65G, 105 × 2.65G, 110 × 2.65G; the input shaft bearing seat 1 and the main separating sliding sleeve 20 are correspondingly connected through a common flat key 21, and the common flat key 21 is an A-type 5 x 28.
According to the design theoretical basis, the oil cylinder structure is designed, the influences of flow, speed, pressure, thrust, sealing and leakage on functional purposes are calculated, the most basic parameters are ensured, and national standard execution is designed and installed. The raw materials are selected according with the drawing, the processing and the manufacturing ensure that the defects such as air holes and sand holes are avoided, no scratch and no bump damage are caused, the oil leakage is avoided, and all the slide valves can slide flexibly and freely.
Setting an oil cylinder: a pressure of 40MPa, 16 ml/rev was used. The test pressure is 20MPa, the flow rate is 16 ml/r, and the pipeline is more than 11
A main clutch: thrust 441kg, oil cylinder area 11.03 square centimeter
A secondary clutch: the thrust force is 543kg, and the area of the oil cylinder is 13.57 square centimeters. And assembling the manufactured parts into a component according to the drawing and the requirements.
No-load test 1
The purpose of the test is as follows: whether the action meets the requirement or not and whether the action is leaked
Test preparation and preconditions: the special test bed is manufactured, and the oil pump pressure is required to be 20MPa, the flow is required to be 30, and a pressure gauge and a thermometer are required
Test values: no leakage and coordinated actions.
The purpose of the test is as follows: pressure-resistant state, deformation state and oil leakage state of oil cylinder
Test preparation and preconditions: the special test bed ensures that the tractor cannot move under the safety state of an operator. The oil pressure was tested at 16MPa and 20 MPa. Tool: thermometric indicator, pressure measuring tool (pressure gauge).
Test values: the 16MPa test outer diameter deformation (0.02 mm of expansion), the 20MPa test outer diameter deformation (0.028 mm of expansion), no leakage action is normal.
Reliability test III
The purpose of the test is as follows: reliability of oil cylinder
Test preparation and preconditions: a special test bed for manufacturing an electric control reciprocating control bed, the test frequency is more than ten thousand,
the reliability reaches 100 percent
Mosaic test for oil pollution particles
The purpose of the test is as follows: the oil cylinder pulls the cylinder, damages the sealing ring and acts in an abnormal state under the condition of oil pollution.
Test preparation and preconditions: the reciprocating times of the oil cylinder of the special test bed are not less than one thousand
The working state is good, and the cylinder body is embedded with micro particles without strain.
Loading test six
The purpose of the test is as follows: and detecting the mutual noninterference state and the actual use condition of the oil cylinder.
Test preparation and preconditions: the original operating mechanism of the tractor is removed and a new input shaft bearing seat is installed, the composite oil cylinder is installed on the bearing seat and fastened, and an oil pipe and a hydraulic control mechanism are installed. The test was actually run on a test run runway.
No abnormal state.
The invention mainly solves the problems, and the mechanism can work to the end of the service life of the friction plate without a lubricating device and subsequent adjustment. Operation of a high power, high capacity clutch may be achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a compound hydro-cylinder of cavity cover jar formula independent motion, includes input shaft bearing frame (1), hexagon socket head cap end holding screw (2) and fixed cylinder (4), its characterized in that: the outer wall of the input shaft bearing seat (1) is sleeved with a fixed cylinder barrel (4), the fixed cylinder barrel (4) and the side wall of the lower end of the input shaft bearing seat (1) are positioned through a hexagon nut (3), the side wall of the upper end of the fixed cylinder barrel (4) is connected with a terminal pipe joint (10), a pair of separation sliding sleeves (6) are sleeved on the outer side wall of the fixed cylinder barrel (4), the end parts of the pair of separation sliding sleeves (6) close to the end pipe joints (10) are connected with second inner hexagonal socket head cap screws (11) which position the separation sliding sleeve end covers (5) on the pair of separation sliding sleeves (6), a stepped inner groove at one side of the auxiliary separation sliding sleeve (6) far away from the hexagon nut (3) is provided with an auxiliary clutch separation bearing (7), one side wall of the fixed cylinder barrel (4) close to the auxiliary clutch release bearing (7) is connected with a first inner hexagonal socket head cap screw (8); a fixed cylinder barrel flange (19) is positioned on the fixed cylinder barrel (4) through a first inner hexagonal socket head cap screw (8), and a seventh pneumatic 0-shaped rubber sealing ring (18) is clamped at the contact position of the fixed cylinder barrel flange (19) and the fixed cylinder barrel (4); a first hydraulic-pneumatic 0-shaped rubber sealing ring (12), a second pneumatic 0-shaped rubber sealing ring (13), a third pneumatic 0-shaped rubber sealing ring (14), a fourth pneumatic 0-shaped rubber sealing ring (15), a fifth pneumatic 0-shaped rubber sealing ring (16) and a sixth pneumatic 0-shaped rubber sealing ring (17) are clamped on a contact side wall between the auxiliary separation sliding sleeve (6) and the fixed cylinder barrel (4).
2. The hollow jacketed cylinder type independent-force movement composite oil cylinder according to claim 1, characterized in that: the first inner hexagonal socket head cap screw (8) is M5 × 12 in model.
3. The hollow jacketed cylinder type independent-force movement composite oil cylinder according to claim 1, characterized in that: the model of the second inner hexagonal socket head cap screw (11) is M6 × 16.
4. The hollow jacketed cylinder type independent-force movement composite oil cylinder according to claim 1, characterized in that: the model of the hexagonal nut (3) is C grade 30.
5. The hollow jacketed cylinder type independent-force movement composite oil cylinder according to claim 1, characterized in that: the model that first hydraulic pressure is with 0 shape rubber seal (12), the pneumatic 0 shape rubber seal (13) of using of second, the pneumatic 0 shape rubber seal (14) of using of third, the pneumatic 0 shape rubber seal (15) of using of fourth, the pneumatic 0 shape rubber seal (16) of using of fifth and the pneumatic 0 shape rubber seal (17) of using of sixth is in proper order: 70X 2.65G, 75X 2.65G, 80X 2.65G, 102X 2.65G, 105X 2.65G, 110X 2.65G.
6. The hollow jacketed cylinder type independent-force movement composite oil cylinder according to claim 1, characterized in that: the input shaft bearing seat (1) and the main separating sliding sleeve (20) are correspondingly connected through a common flat key (21), and the common flat key (21) is A-type 5 x 28.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245299.5A CN108626199B (en) | 2018-03-23 | 2018-03-23 | Hollow sleeve cylinder type independent motion composite oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245299.5A CN108626199B (en) | 2018-03-23 | 2018-03-23 | Hollow sleeve cylinder type independent motion composite oil cylinder |
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| Publication Number | Publication Date |
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| CN108626199A CN108626199A (en) | 2018-10-09 |
| CN108626199B true CN108626199B (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810245299.5A Active CN108626199B (en) | 2018-03-23 | 2018-03-23 | Hollow sleeve cylinder type independent motion composite oil cylinder |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104214168B (en) * | 2014-08-27 | 2016-09-14 | 华中科技大学无锡研究院 | A kind of bilaterally adjustable Quick cylinder of power output |
| CN108518477A (en) * | 2018-03-21 | 2018-09-11 | 洛阳世英机械制造有限公司 | A kind of power commutation control system |
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